CVE-2026-79812 Authenticated Local Denial-of-Service Vulnerability in the OnGuard Agent of ClearPass Policy Manager

Medium 6.1 Published Updated

An authenticated local attacker can disrupt the OnGuard agent service in HPE ClearPass Policy Manager, causing a denial of service.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-79812?

CVE-2026-79812 is a medium-severity denial of service vulnerability in Hewlett Packard Enterprise (HPE) ClearPass Policy Manager (CPPM), published on 6 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A denial of service vulnerability exists in the OnGuard agent of HPE Networking ClearPass Policy Manager. Successful exploitation could allow an authenticated local attacker to interrupt the normal operation of the agent service.

Weakness: CWE-400

Which versions are affected by CVE-2026-79812?

How do I fix CVE-2026-79812?

No fix has been published for CVE-2026-79812 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-79812 being exploited?

There is no known exploitation of CVE-2026-79812 in the wild and no public exploit code.

Sources

Also known as GHSA-3ggv-65jm-xp4r.

Is CVE-2026-79812 in your software?

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